As the skit continues, the teacher has a change of heart after another student recites their rights according to the U.N.Convention and according to the students themselves.

VOA: standard.2009.11.22

STUDENT: PROFESSOR: Oh, I'm sorry. So it's n minus l minus 1.

学生：,教授：不好意思，这是ｎ减去ｌ减去１．

麻省理工公开课 - 化学原理课程节选

STUDENT: n.

学生：n。

麻省理工公开课 - 计算机科学及编程导论课程节选